[Event "Clare Benedict Cup-04"]
[Site "Bern"]
[Date "1957.04.24"]
[Round "4"]
[White "Castaldi, Vincenzo"]
[Black "Dueckstein, Andreas"]
[Result "1/2-1/2"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O Nxe4 6. Re1 d5 7. Bxd5 Qxd5 8. Nc3 Qh5 9. Nxe4 Be6 10. Bg5 Bb4 11. Nxd4 Qxd1 12. Rexd1 Nxd4 13. Rxd4 Ba5 14. Nc5 O-O 15. Nxe6 fxe6 16. Re4 Bb6 17. Bh4 g5 18. Bg3 Rad8 19. Rae1 Rd2 20. R4e2 Rfd8 21. Kf1 Rxe2 22. Kxe2 Kf7 1/2-1/2